Alright, let's work through 1628 times 452 step by step
1628 × 452 = 452 × (1628)
+ 452 × 8 which equals 3616
+ 452 × 20 that is equal 9040
+ 452 × 600 what gives us 271200
+ 452 × 1000 which equals 452000

= 735856
